A240398 Number of 6Xn 0..3 arrays with no element equal to zero plus the sum of elements to its left or one plus the sum of the elements above it or two plus the sum of the elements diagonally to its northwest, modulo 4

8, 493, 10291, 142016, 1568581, 14958462, 138422394, 1173655141, 9363219885, 69952868658, 497884249838, 3381452690787, 21979257675454, 136907878682739, 818941738568977, 4715840496632312, 26197628049449759, 140702069459245248

Offset

1,1

Comments

Row 6 of A240394

Links

R. H. Hardin, Table of n, a(n) for n = 1..147

Example

Some solutions for n=4
..3..0..0..0....3..0..0..0....3..0..0..0....3..0..0..0....3..0..0..0
..3..0..0..0....3..0..0..0....3..2..0..0....3..2..0..0....1..3..3..0
..1..0..2..0....1..2..2..0....1..2..2..3....1..0..0..0....3..2..3..2
..1..0..2..0....3..0..1..2....3..0..2..3....1..2..0..0....3..0..2..2
..3..2..0..2....1..0..2..1....1..0..0..0....3..2..0..0....1..0..0..0
..1..2..2..2....1..0..0..3....3..0..2..2....1..0..0..2....3..0..2..3

Crossrefs

Sequence in context: A109060 A259926 A282180 * A265231 A030654 A281136

Adjacent sequences: A240395 A240396 A240397 * A240399 A240400 A240401

Keyword

nonn

Author

R. H. Hardin, Apr 04 2014

Status

approved